Using the TRAILER tool for managing informal learning in academic and professional contexts: the learner perspective. - Maria Clara Viegas; Maria Arcelina Marques; Gustavo Ribeiro Alves; Nikolas Galanis; Francis Brouns; José Janssen; Elwira Waszkiewicz; Aleksandra Mykowska; Dom Szkolen i Doradztwa; Valentina Zangrando; Alicia García-Holgado; Miguel Ángel Conde González; et al. (TEEM, 2013)